描述
在不正确的接地点的电源之间，电路中有可能产生毁灭性的电流，以至于破坏设备PLC系统一般选用一点接地方式。为了提高抗共模干扰能力，对于模拟信号可以采用屏蔽浮地技术，即信号电缆的屏蔽层一点接地，信号回路浮空，与大地绝缘电阻应不小于50MΩ。
Juniper PB-2OC3-ATM-SMIR for M160/M40e Warranty
Juniper Networks Secure Access 2500 Base System SA-2500
Brand New & Ready To Ship From A US Authorized Reseller
JUNIPER RE-600-2048-S T640 ROUTING ENGINE RE-600-2048
One-day shipping available
*NEW* Juniper EX2200-24P-4G EX2200-24P-4G Ethernet
Juniper T320-FPC3-E T320 Router Enhanced FPC
90 Day Warranty – Free Shipping
Juniper PB-4CHDS3-QPP 4 Port PB 4CH DS3 to DS0 IQ
1 YR WRNTY w/ Tech Support. Will Ship Int’l VER 1.12
One-day shipping available
Juniper PB-1OC12-SON-SMIR PIC for M160/M40e Warranty
Juniper Networks RE-400-768 Routing Engine Board RE-400
Juniper M10BASE-AC M10 chassis w/RE-333-768 AC Power
